Andrew Mclean defeated Heath Denman 6-2 6-1 in the Australia 1 Masters 1 round of 32 on carpet. The upset overturned the form book — Heath Denman came in leading the head-to-head 1–0. Andrew Mclean claimed a first win over Heath Denman in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-10-07 | Australia 3 Masters 4 | R16 | clay | Heath Denman | 6-2 6-1 |